R. Schwaerzel, and T. Bylander. GECCO 2006: Proceedings of the 8th annual conference
on Genetic and evolutionary computation, 1, page 955--956. Seattle, Washington, USA, ACM Press, (8-12 July 2006)
A. Radi, and S. El-Bakry. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 2, page 1756--1756. London, ACM Press, (7-11 July 2007)
D. Gonzalez, and F. de Vega. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 2, page 1752--1752. London, ACM Press, (7-11 July 2007)